var app = new Vue({
    el: '#app',
    data: {
        list: [{
            id: 1,
            name: 'iPhone7',
            price: 6188,
            count: 1
        }, {
            id: 2,
            name: 'iPad Pro',
            price: 5888,
            count: 1
        }, {
            id: 3,
            name: 'MacBook Pro',
            price: 21488,
            count: 1
        },]
    },
    computed: {
        totalPrice: function () {
            var total = 0;
            for (var i = 0; i < this.list.length; i++) {
                var item = this.list[i];
                total += item.price * item.count;
            }
            return total.toString().replace(/\B(?=(\d{3})+$)/g, ',');
        }
    },
    methods: {}
});
